These results are for the 0.5 hour extraction of HCl.
See also the metadata records for the 4 hour extraction of HCl, and the time trial data for 1 M HCl extractions.
A regional survey of potential contaminants…

The 1x1 degree Terrestrial Mean Free-Air Gravity Anomaly and Geoid Undulations Data Base was compiled and developed by the Ohio State University. This data base was received in March 1993. Principal gravity…

The Lambert Glacier Basin (LGB) series of five oversnow traverses were conducted from 1989-95. Ten metre depth (10 m) firn temperatures, as a proxy indicator of annual mean surface temperature at a site,…

Metadata record for data from ASAC Project 2357 See the link below for public details on this project.
---- Public Summary from Project ----
Contaminants like PCBs and DDE have hardly been used Antarctica.…

The 106-Mile Dumpsite Oceanographic project is response to the Ocean Dumping
Act (http://www.epa.gov/history/topics/mprsa/02.htm) which directs the National
Oceanic and Atmospheric Administration (NOAA),…

From http://www.ncdc.noaa.gov/paleo/pubs/solanki2004/solanki2004.html
Direct observations of sunspot numbers are available for the past
four centuries, but longer time series are required, for example,
for…

This work presents results from a short firn core spanning 15 years collected from near Mount Brown, Wilhelm II Land, East Antarctica. Variations of methanesulphonic acid (MSA) at Mount Brown were positively…

This MSA record (1841-1995) is from a Law Dome ice core called "DSS" in East Antarctica. It was calibrated against satellite sea ice records and used to reconstruct sea ice extent prior to the satellite…

This data set contains the VSMOW-SLAP d17O, d18O, and 17O-excess data from the WAIS Divide Ice Core Project, Siple Dome and Taylor Dome, along with the published and VSMOW-SLAP normalized d17O, d18O, and…

Generally referred to as August 31, 1886, as the earthquake occurred at 9:51 pm local time. Eight minutes later there was a severe aftershock. This was the most damaging earthquake to occur in the southeastern…

The 1906 San Francisco earthquake was the largest event (magnitude 8.3) to occur in the conterminous United States in the 20th Century. Recent estimates indicate that as many as 3,000 people lost their…